Sleigh-knee



(No Model.)

A. DOLL.

V SLEIGH KNEE. No. 336,555. Patented Feb. 23, 1886.

WITNESSES: [NVENTOR miqmm U. (5 I I dfl m I ATTORNEYQS.

,To all whom, it may concern.-

- UNITED STATES PATENT OFFICE.

AUGUST DOLL, OF LENA, ILLINOIS.

SLEIGH-KNEE.

BPECIPICATION forming part of Letters Patent No. 336,555, dated February 23, 1886.

Application filed March 5, 1885.

Be it known that I, AUGUST DOLL, a resident of Lena, in the county of Stephenson and State of Illinois, have invented certain new and useful Improvements in Sleigh-Knees; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same.

My invention relates to improvements in sleds, and is fully described and explained in the following specification, and shown in the accompanying drawings, in which Figure 1 is a front elevation of the sledknee forming part of my invention, together with the parts connected therewith. Fig. 2 is an external side elevation thereof, looking in the direction indicated by the arrow in Fig. 1.

In these views A is the beam, and B the rave of an ordinary sled, and C J K are the knee, runner, and shoe thereof, respectively. The knee G, which is inclined outward from top to bottom, has formed on its outer and inner faces, respectively, the strengthing-ribs'O C, and the front and rear faces are each provided with two parallel ribs, L L. At its lower end the knee is provided with two downwardlyextending flanges, I l,which embrace the runner, and at its upper end the knee terminates in a horizontal plate comprising four integrallyformed flanges, E E O O, the flanges E E 1ying wholly under the beam on the outer and inner faces of the knee, respectively, and the flanges O 0 being partly under the beam, but extending in front and rear thereof, respectively.

The runnerJ is secured to the kneebymeans of horizontal bolts H, extending through the runner and the flanges I I, and the beam and rave are bound together and secured to the knee by means of bolts F 1 which pass through the rave and through the flanges O O, and lie partly in vertical grooves A in the beam. The use of the flanges I I is advantageous, in that the flanges themselves protect the runner from moisture, and at the same time they obviate the necessity of boring vertical boltholes in the runner, and thus remove a common cause of decay.

Serial No. 157,711. (No model.)

The form of the upper end of the knee, and the manner ofits connection with the beam and rave, combine various advantages, the principal of which are, that the flanges E E O O afford an ample bearing-surface for the beam; that the bolts F F bind the knee, the beam, and the rave firmly together, and at the same time may be readily removed for the purpose of separating those parts without disconnecting the knee and runner, and that the sinking of the bolts F Fiu the vertical grooves Aof the beam effectually prevents longitudinal slipping of the beam with reference to either the rave or knee.

I am aware that it is common to connect the knee and runner of a sled by flanges similar to the flanges I I shown herein, and also that it is old to fasten the shoe, the runner, the knee, the beam, and the rave together by means of two long bolts passing through rave, beam, runner, and shoe, and lying in channels in the front and rear faces of the knee. The construction shown and described herein is, however, widely different from any with which I am familiar, and the advantages already suggested are such as to distinguish it sufficiently from the prior forms.

Having now described and explained my invention, what I claim as new, and desire to secure by Letters Patent, is

The combination, with the knee 0, having flanges II, adapted to embrace a runner, and provided at its upper end with the horizontal flanges E E O O, of the beam A, resting-on said horizontal flanges and formed with vertical grooves A, the rave B, resting on the beam, and the bolts F F, passing through the rave and the flanges O O and lying in the grooves A and binding together the knee, the beam, and the rave, substantially as shown and described, and for the purpose set forth.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

AUGUST DOLL.

\Vitnesses:

T. D. W1LooxoN, H. S. WEBsTER. 

